QBYSS

QBYSS is a power-conversion technology company developing compact, efficient and reliable solutions for the growing demands of modern electrical systems. Its platform combines patented resonant and high-frequency alternating current (HFAC) technologies with QBYSS Digital Power software for real-time control. The company says its designs aim to improve energy efficiency and power density, support safe operation, and reduce component use, heat and electronic waste.

QBYSS develops power conversion systems and applications for street and commercial lighting, electric vehicles, data centres and AI, renewable energy, medical devices, defence systems, and embedded computing. Its offerings include resonant drivers for lighting and power solutions intended for integration into products such as servers, network equipment and electric vehicles. The company is also developing compact, high-density power modules for future OEM and system integration opportunities.

QBYSS conducts research and development in collaboration with Cranfield University, focusing on resonant conversion, high-frequency systems and digital control. Its stated mission is to advance more efficient and sustainable power conversion, serving applications from everyday infrastructure to mission-critical systems.